Efrain Calderon Estrada
Angel investor in Gothenburg
Gothenburg, Västra Götaland County
Efrain Calderon Estrada, Angel investor in Gothenburg is an active investor based in Gothenburg, Västra Götaland County. This profile covers what Efrain Calderon Estrada backs, at which stage, and how founders can reach out in 2026.
Efrain Calderon Estrada is an Embedded Software Engineer at Consilium Marine AB with over 14 years of experience in firmware and software development for intelligent devices.
Efrain Calderon Estrada invests in IoT & Connected Devices and Hardware & Deep Tech, typically at Seed and Early Stage Venture.
- Investor type
- Angel
- Stages
- SeedEarly Stage Venture
- Invests in
- IoT & Connected DevicesHardware & Deep Tech
- Location
- Gothenburg, Västra Götaland County
- Typical check
- $375K
How to reach Efrain Calderon Estrada
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About this profile
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Cite this page
Round Funded. "Efrain Calderon Estrada." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/efrain-calderon-estrada
Frequently Asked Questions
Who is Efrain Calderon Estrada?
Efrain Calderon Estrada, Angel investor in Gothenburg is an active investor based in Gothenburg, Västra Götaland County. Efrain Calderon Estrada invests in IoT & Connected Devices and Hardware & Deep Tech, typically at Seed and Early Stage Venture.
What does Efrain Calderon Estrada invest in?
Efrain Calderon Estrada invests in IoT & Connected Devices and Hardware & Deep Tech, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Efrain Calderon Estrada invest at?
Efrain Calderon Estrada typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Efrain Calderon Estrada's typical check size?
Efrain Calderon Estrada typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.